engines/sfz/SfzSignalUnitRack.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2011 Grigor Iliev                                       *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "SfzSignalUnitRack.h"
#include "Voice.h"
#include <SF.h>

namespace LinuxSampler { namespace sfz {
    
    SfzSignalUnit::SfzSignalUnit(SfzSignalUnitRack* rack): SignalUnit(rack), pVoice(rack->pVoice) {
        
    }
    
    double SfzSignalUnit::GetSampleRate() {
        return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
    }
    
    
    void EGv1Unit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->ampeg_start * 10),
                   std::max(0.0, pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease),
                   std::max(0.0, pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease),
                   std::max(0.0, pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void EGv2Unit::Trigger() {
        EG.trigger(*pEGInfo, GetSampleRate(), pVoice->MIDIVelocity);
    }
    
    
    void PitchEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        depth = pRegion->pitcheg_depth;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->pitcheg_start * 10),
                   std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
                   std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
                   std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
                   GetSampleRate());
    }
    
    
    void FilEGUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        depth = pRegion->fileg_depth;
        
        // the length of the decay and release curves are dependent on the velocity
        const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);

        // set the delay trigger
        uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
        
        EG.trigger(uint(pRegion->fileg_start * 10),
                   std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
                   std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
                   std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
                   uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
                   std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
                   GetSampleRate());
    }
    

    void LFOUnit::Increment() {
        if (DelayStage()) return;
        
        SignalUnit::Increment();
        
        Level = pLFO->Render();
    }
    
    void LFOUnit::Trigger() {
        //reset
        Level = 0;
        
        // set the delay trigger
        uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
    }
    
    void LFOv1Unit::Trigger() {
        LFOUnit::Trigger();
        
        lfo.trigger (
            pLfoInfo->freq,
            start_level_mid,
            1, 0, false, GetSampleRate()
        );
        lfo.update(0);
    }
    
    
    LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
        : LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
          lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f)
    {
        lfos.add(&lfo0);
        lfos.add(&lfo1);
        lfos.add(&lfo2);
        lfos.add(&lfo3);
        lfos.add(&lfo4);
        lfos.add(&lfo5);
        lfos.add(&lfo6);
        lfos.add(&lfo7);
    }
    
    void LFOv2Unit::Trigger() {
        LFOUnit::Trigger();
        
        if (pLfoInfo->wave < 0 || pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
        else pLFO = lfos[pLfoInfo->wave];
        
        pLFO->Trigger (
            pLfoInfo->freq,
            start_level_mid,
            1, 0, false, GetSampleRate()
        );
        pLFO->Update(0);
    }
    
    void AmpLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->amplfo_delay;
        pLfoInfo->freq = pRegion->amplfo_freq;
        pLfoInfo->volume = pRegion->amplfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    void PitchLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->pitchlfo_delay;
        pLfoInfo->freq = pRegion->pitchlfo_freq;
        pLfoInfo->pitch = pRegion->pitchlfo_depth;
        
        LFOv1Unit::Trigger();
    }
    
    void FilLFOUnit::Trigger() {
        ::sfz::Region* const pRegion = pVoice->pRegion;
        pLfoInfo->delay = pRegion->fillfo_delay;
        pLfoInfo->freq = pRegion->fillfo_freq;
        pLfoInfo->cutoff = pRegion->fillfo_depth;
        
        LFOv1Unit::Trigger();
    }


    EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
        
    }
    
    SfzSignalUnitRack* const EndpointUnit::GetRack() {
        return static_cast<SfzSignalUnitRack* const>(pRack);
    }
    
    void EndpointUnit::Trigger() {
        
    }
    
    bool EndpointUnit::Active() {
        if (GetRack()->suVolEG.Active()) return true;
        
        bool b = false;
        for (int i = 0; i < GetRack()->volEGs.size(); i++) {
            if (GetRack()->volEGs[i]->Active()) { b = true; break; }
        }
        
        return b;
    }
    
    float EndpointUnit::GetVolume() {
        float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
        
        for (int i = 0; i < GetRack()->volEGs.size(); i++) {
            EGv2Unit* eg = GetRack()->volEGs[i];
            if (!eg->Active()) continue;
            vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
        }
        
        AmpLFOUnit* u = &(GetRack()->suAmpLFO);
        vol *= u->Active() ? ::sf2::ToRatio((u->GetLevel() * u->pLfoInfo->volume) * 10.0) : 1;
        
        return vol;
    }
    
    float EndpointUnit::GetFilterCutoff() {
        float val;
        
        FilLFOUnit* u = &(GetRack()->suFilLFO);
        val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
        
        FilEGUnit* u2 = &(GetRack()->suFilEG);
        val *= u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() * u2->depth) : 1;
        
        for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->filLFOs[i];
            if (!lfo->Active()) continue;
            
            float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
            val *= RTMath::CentsToFreqRatioUnlimited(f);
        }
        
        return val;
    }
    
    float EndpointUnit::GetPitch() {
        double p;
        EGv1Unit* u = &(GetRack()->suPitchEG);
        p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
        
        PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
        p *= u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() * u2->pLfoInfo->pitch) : 1;
        
        return p;
    }
    
    float EndpointUnit::GetResonance() {
         float val = 0;
        
        for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->resLFOs[i];
            if (!lfo->Active()) continue;
            
            val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
        }
        
        return val;
    }
    
    float EndpointUnit::GetPan() {
        float pan = 0;
        
        for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
            LFOv2Unit* lfo = GetRack()->panLFOs[i];
            if (!lfo->Active()) continue;
            
            pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
        }
        
        if(pan < -100) return -100;
        if(pan >  100) return  100;
        
        return pan;
    }
    
    
    SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
        : SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
        EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount),
        suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
        LFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
    {
        suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
        suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = voice;
        
        for (int i = 0; i < EGs.capacity(); i++) {
            EGs[i] = new EGv2Unit(this);
            EGs[i]->pVoice = voice;
        }
        
        for (int i = 0; i < LFOs.capacity(); i++) {
            LFOs[i] = new LFOv2Unit(this);
            LFOs[i]->pVoice = voice;
        }
    }
    
    SfzSignalUnitRack::~SfzSignalUnitRack() {
        for (int i = 0; i < EGs.capacity(); i++) {
            delete EGs[i]; EGs[i] = NULL;
        }
        
        for (int i = 0; i < LFOs.capacity(); i++) {
            delete LFOs[i]; LFOs[i] = NULL;
        }
    }
    
    void SfzSignalUnitRack::Trigger() {
        EGs.clear();
        volEGs.clear();
        pitchEGs.clear();
        
        LFOs.clear();
        filLFOs.clear();
        resLFOs.clear();
        panLFOs.clear();
        
        ::sfz::Region* const pRegion = pVoice->pRegion;
        
        for (int i = 0; i < pRegion->eg.size(); i++) {
            if (pRegion->eg[i].node.size() == 0) continue;
            
            if(EGs.size() < EGs.capacity()) {
                EGv2Unit eg(this);
                eg.pEGInfo = &(pRegion->eg[i]);
                EGs.increment()->Copy(eg);
            } else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
            
            if (pRegion->eg[i].amplitude > 0) {
                if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
                else std::cerr << "Maximum number of EGs reached!" << std::endl;
            }
        }
        
        if (pRegion->ampeg_sustain == -1) {
            if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
            else pRegion->ampeg_sustain = 100;
        }
        
        // LFO
        for (int i = 0; i < pRegion->lfos.size(); i++) {
            if (pRegion->lfos[i].freq == -1) continue; // Not initialized
            
            if(LFOs.size() < LFOs.capacity()) {
                LFOv2Unit lfo(this);
                lfo.pLfoInfo = &(pRegion->lfos[i]);
                LFOs.increment()->Copy(lfo);
            } else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
            
            if (pRegion->lfos[i].cutoff != 0) {
                if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].resonance != 0) {
                if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
            
            if (pRegion->lfos[i].pan != 0) {
                if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
                else std::cerr << "Maximum number of LFOs reached!" << std::endl;
            }
        }
        
        Units.clear();
        
        Units.add(&suVolEG);
        Units.add(&suFilEG);
        Units.add(&suPitchEG);
        Units.add(&suPitchLFO);
        Units.add(&suAmpLFO);
        Units.add(&suFilLFO);
        
        for (int i = 0; i < EGs.size(); i++) {
            Units.add(EGs[i]);
        }
        
        for (int i = 0; i < LFOs.size(); i++) {
            Units.add(LFOs[i]);
        }
        
        Units.add(&suEndpoint);
        
        SignalUnitRack::Trigger();
    }
    
    EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
        return &suEndpoint;
    }
    
    void SfzSignalUnitRack::EnterFadeOutStage() {
        suVolEG.EG.enterFadeOutStage();
        
        for (int i = 0; i < volEGs.size(); i++) {
            volEGs[i]->EG.enterFadeOutStage();
        }
    }
    
}} // namespace LinuxSampler::sfz
1	iliev	2218	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2011 Grigor Iliev *
6			* *
7			* This program is free software; you can redistribute it and/or modify *
8			* it under the terms of the GNU General Public License as published by *
9			* the Free Software Foundation; either version 2 of the License, or *
10			* (at your option) any later version. *
11			* *
12			* This program is distributed in the hope that it will be useful, *
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15			* GNU General Public License for more details. *
16			* *
17			* You should have received a copy of the GNU General Public License *
18			* along with this program; if not, write to the Free Software *
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20			* MA 02111-1307 USA *
21			***************************************************************************/
22
23			#include "SfzSignalUnitRack.h"
24			#include "Voice.h"
25	iliev	2221	#include <SF.h>
26	iliev	2218
27			namespace LinuxSampler { namespace sfz {
28
29			SfzSignalUnit::SfzSignalUnit(SfzSignalUnitRack* rack): SignalUnit(rack), pVoice(rack->pVoice) {
30
31			}
32
33			double SfzSignalUnit::GetSampleRate() {
34			return pVoice->GetSampleRate() / CONFIG_DEFAULT_SUBFRAGMENT_SIZE;
35			}
36
37
38			void EGv1Unit::Trigger() {
39			::sfz::Region* const pRegion = pVoice->pRegion;
40	iliev	2220
41	iliev	2218	// the length of the decay and release curves are dependent on the velocity
42			const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
43
44	iliev	2220	// set the delay trigger
45			uiDelayTrigger = (pRegion->ampeg_delay + pRegion->ampeg_vel2delay * velrelease) * GetSampleRate();
46
47	iliev	2218	EG.trigger(uint(pRegion->ampeg_start * 10),
48			std::max(0.0, pRegion->ampeg_attack + pRegion->ampeg_vel2attack * velrelease),
49			std::max(0.0, pRegion->ampeg_hold + pRegion->ampeg_vel2hold * velrelease),
50			std::max(0.0, pRegion->ampeg_decay + pRegion->ampeg_vel2decay * velrelease),
51			uint(std::min(std::max(0.0, 10 * (pRegion->ampeg_sustain + pRegion->ampeg_vel2sustain * velrelease)), 1000.0)),
52			std::max(0.0, pRegion->ampeg_release + pRegion->ampeg_vel2release * velrelease),
53			GetSampleRate());
54			}
55
56	iliev	2220
57	iliev	2218	void EGv2Unit::Trigger() {
58			EG.trigger(*pEGInfo, GetSampleRate(), pVoice->MIDIVelocity);
59			}
60	iliev	2219
61	iliev	2220
62			void PitchEGUnit::Trigger() {
63			::sfz::Region* const pRegion = pVoice->pRegion;
64			depth = pRegion->pitcheg_depth;
65
66			// the length of the decay and release curves are dependent on the velocity
67			const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
68	iliev	2218
69	iliev	2220	// set the delay trigger
70			uiDelayTrigger = (pRegion->pitcheg_delay + pRegion->pitcheg_vel2delay * velrelease) * GetSampleRate();
71
72			EG.trigger(uint(pRegion->pitcheg_start * 10),
73			std::max(0.0, pRegion->pitcheg_attack + pRegion->pitcheg_vel2attack * velrelease),
74			std::max(0.0, pRegion->pitcheg_hold + pRegion->pitcheg_vel2hold * velrelease),
75			std::max(0.0, pRegion->pitcheg_decay + pRegion->pitcheg_vel2decay * velrelease),
76			uint(std::min(std::max(0.0, 10 * (pRegion->pitcheg_sustain + pRegion->pitcheg_vel2sustain * velrelease)), 1000.0)),
77			std::max(0.0, pRegion->pitcheg_release + pRegion->pitcheg_vel2release * velrelease),
78			GetSampleRate());
79			}
80
81	iliev	2222
82			void FilEGUnit::Trigger() {
83			::sfz::Region* const pRegion = pVoice->pRegion;
84			depth = pRegion->fileg_depth;
85
86			// the length of the decay and release curves are dependent on the velocity
87			const double velrelease = 1 / pVoice->GetVelocityRelease(pVoice->MIDIVelocity);
88	iliev	2220
89	iliev	2222	// set the delay trigger
90			uiDelayTrigger = (pRegion->fileg_delay + pRegion->fileg_vel2delay * velrelease) * GetSampleRate();
91
92			EG.trigger(uint(pRegion->fileg_start * 10),
93			std::max(0.0, pRegion->fileg_attack + pRegion->fileg_vel2attack * velrelease),
94			std::max(0.0, pRegion->fileg_hold + pRegion->fileg_vel2hold * velrelease),
95			std::max(0.0, pRegion->fileg_decay + pRegion->fileg_vel2decay * velrelease),
96			uint(std::min(std::max(0.0, 10 * (pRegion->fileg_sustain + pRegion->fileg_vel2sustain * velrelease)), 1000.0)),
97			std::max(0.0, pRegion->fileg_release + pRegion->fileg_vel2release * velrelease),
98			GetSampleRate());
99			}
100
101
102	iliev	2219	void LFOUnit::Increment() {
103			if (DelayStage()) return;
104
105			SignalUnit::Increment();
106
107	iliev	2223	Level = pLFO->Render();
108	iliev	2219	}
109
110			void LFOUnit::Trigger() {
111			//reset
112			Level = 0;
113
114			// set the delay trigger
115	iliev	2220	uiDelayTrigger = pLfoInfo->delay * GetSampleRate();
116	iliev	2219	}
117
118	iliev	2221	void LFOv1Unit::Trigger() {
119			LFOUnit::Trigger();
120
121			lfo.trigger (
122			pLfoInfo->freq,
123			start_level_mid,
124			1, 0, false, GetSampleRate()
125			);
126			lfo.update(0);
127			}
128
129	iliev	2223
130			LFOv2Unit::LFOv2Unit(SfzSignalUnitRack* rack)
131			: LFOUnit(rack), lfos(8), lfo0(1200.0f), lfo1(1200.0f), lfo2(1200.0f),
132			lfo3(1200.0f), lfo4(1200.0f), lfo5(1200.0f), lfo6(1200.0f), lfo7(1200.0f)
133			{
134			lfos.add(&lfo0);
135			lfos.add(&lfo1);
136			lfos.add(&lfo2);
137			lfos.add(&lfo3);
138			lfos.add(&lfo4);
139			lfos.add(&lfo5);
140			lfos.add(&lfo6);
141			lfos.add(&lfo7);
142			}
143
144	iliev	2219	void LFOv2Unit::Trigger() {
145			LFOUnit::Trigger();
146
147	iliev	2223	if (pLfoInfo->wave < 0 \|\| pLfoInfo->wave >= lfos.size()) pLFO = &lfo0;
148			else pLFO = lfos[pLfoInfo->wave];
149
150			pLFO->Trigger (
151	iliev	2219	pLfoInfo->freq,
152			start_level_mid,
153			1, 0, false, GetSampleRate()
154			);
155	iliev	2223	pLFO->Update(0);
156	iliev	2219	}
157	iliev	2221
158			void AmpLFOUnit::Trigger() {
159			::sfz::Region* const pRegion = pVoice->pRegion;
160			pLfoInfo->delay = pRegion->amplfo_delay;
161			pLfoInfo->freq = pRegion->amplfo_freq;
162			pLfoInfo->volume = pRegion->amplfo_depth;
163
164			LFOv1Unit::Trigger();
165			}
166
167			void PitchLFOUnit::Trigger() {
168			::sfz::Region* const pRegion = pVoice->pRegion;
169			pLfoInfo->delay = pRegion->pitchlfo_delay;
170			pLfoInfo->freq = pRegion->pitchlfo_freq;
171			pLfoInfo->pitch = pRegion->pitchlfo_depth;
172
173			LFOv1Unit::Trigger();
174			}
175
176			void FilLFOUnit::Trigger() {
177			::sfz::Region* const pRegion = pVoice->pRegion;
178			pLfoInfo->delay = pRegion->fillfo_delay;
179			pLfoInfo->freq = pRegion->fillfo_freq;
180			pLfoInfo->cutoff = pRegion->fillfo_depth;
181
182			LFOv1Unit::Trigger();
183			}
184	iliev	2218
185	iliev	2219
186	iliev	2218	EndpointUnit::EndpointUnit(SfzSignalUnitRack* rack): EndpointSignalUnit(rack) {
187
188			}
189
190			SfzSignalUnitRack* const EndpointUnit::GetRack() {
191			return static_cast<SfzSignalUnitRack* const>(pRack);
192			}
193
194			void EndpointUnit::Trigger() {
195
196			}
197
198			bool EndpointUnit::Active() {
199			if (GetRack()->suVolEG.Active()) return true;
200
201			bool b = false;
202			for (int i = 0; i < GetRack()->volEGs.size(); i++) {
203			if (GetRack()->volEGs[i]->Active()) { b = true; break; }
204			}
205
206			return b;
207			}
208
209			float EndpointUnit::GetVolume() {
210			float vol = GetRack()->suVolEG.Active() ? GetRack()->suVolEG.GetLevel() : 0;
211
212			for (int i = 0; i < GetRack()->volEGs.size(); i++) {
213			EGv2Unit* eg = GetRack()->volEGs[i];
214			if (!eg->Active()) continue;
215			vol += eg->GetLevel() * (eg->pEGInfo->amplitude / 100.0f);
216			}
217
218	iliev	2221	AmpLFOUnit* u = &(GetRack()->suAmpLFO);
219			vol = u->Active() ? ::sf2::ToRatio((u->GetLevel() u->pLfoInfo->volume) * 10.0) : 1;
220
221	iliev	2218	return vol;
222			}
223
224			float EndpointUnit::GetFilterCutoff() {
225	iliev	2221	float val;
226	iliev	2219
227	iliev	2221	FilLFOUnit* u = &(GetRack()->suFilLFO);
228			val = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->pLfoInfo->cutoff) : 1;
229
230	iliev	2222	FilEGUnit* u2 = &(GetRack()->suFilEG);
231			val = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->depth) : 1;
232
233	iliev	2219	for (int i = 0; i < GetRack()->filLFOs.size(); i++) {
234			LFOv2Unit* lfo = GetRack()->filLFOs[i];
235			if (!lfo->Active()) continue;
236
237			float f = lfo->GetLevel() * lfo->pLfoInfo->cutoff;
238			val *= RTMath::CentsToFreqRatioUnlimited(f);
239			}
240
241			return val;
242	iliev	2218	}
243
244			float EndpointUnit::GetPitch() {
245	iliev	2221	double p;
246	iliev	2220	EGv1Unit* u = &(GetRack()->suPitchEG);
247	iliev	2221	p = u->Active() ? RTMath::CentsToFreqRatioUnlimited(u->GetLevel() * u->depth) : 1;
248
249			PitchLFOUnit* u2 = &(GetRack()->suPitchLFO);
250			p = u2->Active() ? RTMath::CentsToFreqRatioUnlimited(u2->GetLevel() u2->pLfoInfo->pitch) : 1;
251
252			return p;
253	iliev	2218	}
254
255			float EndpointUnit::GetResonance() {
256	iliev	2219	float val = 0;
257
258			for (int i = 0; i < GetRack()->resLFOs.size(); i++) {
259			LFOv2Unit* lfo = GetRack()->resLFOs[i];
260			if (!lfo->Active()) continue;
261
262			val += lfo->GetLevel() * lfo->pLfoInfo->resonance;
263			}
264
265			return val;
266	iliev	2218	}
267
268	iliev	2219	float EndpointUnit::GetPan() {
269			float pan = 0;
270
271			for (int i = 0; i < GetRack()->panLFOs.size(); i++) {
272			LFOv2Unit* lfo = GetRack()->panLFOs[i];
273			if (!lfo->Active()) continue;
274
275			pan += lfo->GetLevel() * lfo->pLfoInfo->pan;
276			}
277
278			if(pan < -100) return -100;
279			if(pan > 100) return 100;
280
281			return pan;
282			}
283	iliev	2218
284	iliev	2219
285	iliev	2218	SfzSignalUnitRack::SfzSignalUnitRack(Voice* voice)
286	iliev	2222	: SignalUnitRack(MaxUnitCount), pVoice(voice), suEndpoint(this), suVolEG(this), suFilEG(this), suPitchEG(this),
287	iliev	2219	EGs(maxEgCount), volEGs(maxEgCount), pitchEGs(maxEgCount),
288	iliev	2221	suAmpLFO(this), suPitchLFO(this), suFilLFO(this),
289	iliev	2219	LFOs(maxLfoCount), filLFOs(maxLfoCount), resLFOs(maxLfoCount), panLFOs(maxLfoCount)
290	iliev	2218	{
291	iliev	2222	suEndpoint.pVoice = suVolEG.pVoice = suFilEG.pVoice = suPitchEG.pVoice = voice;
292	iliev	2221	suAmpLFO.pVoice = suPitchLFO.pVoice = suFilLFO.pVoice = voice;
293	iliev	2218
294			for (int i = 0; i < EGs.capacity(); i++) {
295			EGs[i] = new EGv2Unit(this);
296			EGs[i]->pVoice = voice;
297			}
298	iliev	2219
299			for (int i = 0; i < LFOs.capacity(); i++) {
300			LFOs[i] = new LFOv2Unit(this);
301			LFOs[i]->pVoice = voice;
302			}
303	iliev	2218	}
304
305			SfzSignalUnitRack::~SfzSignalUnitRack() {
306	iliev	2219	for (int i = 0; i < EGs.capacity(); i++) {
307	iliev	2218	delete EGs[i]; EGs[i] = NULL;
308			}
309	iliev	2219
310			for (int i = 0; i < LFOs.capacity(); i++) {
311			delete LFOs[i]; LFOs[i] = NULL;
312			}
313	iliev	2218	}
314
315			void SfzSignalUnitRack::Trigger() {
316			EGs.clear();
317			volEGs.clear();
318			pitchEGs.clear();
319
320	iliev	2219	LFOs.clear();
321			filLFOs.clear();
322			resLFOs.clear();
323			panLFOs.clear();
324
325	iliev	2218	::sfz::Region* const pRegion = pVoice->pRegion;
326
327	iliev	2219	for (int i = 0; i < pRegion->eg.size(); i++) {
328	iliev	2218	if (pRegion->eg[i].node.size() == 0) continue;
329
330			if(EGs.size() < EGs.capacity()) {
331			EGv2Unit eg(this);
332			eg.pEGInfo = &(pRegion->eg[i]);
333			EGs.increment()->Copy(eg);
334			} else { std::cerr << "Maximum number of EGs reached!" << std::endl; break; }
335
336			if (pRegion->eg[i].amplitude > 0) {
337			if(volEGs.size() < volEGs.capacity()) volEGs.add(EGs[EGs.size() - 1]);
338			else std::cerr << "Maximum number of EGs reached!" << std::endl;
339			}
340			}
341
342			if (pRegion->ampeg_sustain == -1) {
343			if (volEGs.size() > 0) pRegion->ampeg_sustain = 0;
344			else pRegion->ampeg_sustain = 100;
345			}
346
347	iliev	2219	// LFO
348			for (int i = 0; i < pRegion->lfos.size(); i++) {
349			if (pRegion->lfos[i].freq == -1) continue; // Not initialized
350
351			if(LFOs.size() < LFOs.capacity()) {
352			LFOv2Unit lfo(this);
353			lfo.pLfoInfo = &(pRegion->lfos[i]);
354			LFOs.increment()->Copy(lfo);
355			} else { std::cerr << "Maximum number of LFOs reached!" << std::endl; break; }
356
357			if (pRegion->lfos[i].cutoff != 0) {
358			if(filLFOs.size() < filLFOs.capacity()) filLFOs.add(LFOs[LFOs.size() - 1]);
359			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
360			}
361
362			if (pRegion->lfos[i].resonance != 0) {
363			if(resLFOs.size() < resLFOs.capacity()) resLFOs.add(LFOs[LFOs.size() - 1]);
364			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
365			}
366
367			if (pRegion->lfos[i].pan != 0) {
368			if(panLFOs.size() < panLFOs.capacity()) panLFOs.add(LFOs[LFOs.size() - 1]);
369			else std::cerr << "Maximum number of LFOs reached!" << std::endl;
370			}
371			}
372
373	iliev	2218	Units.clear();
374
375			Units.add(&suVolEG);
376	iliev	2222	Units.add(&suFilEG);
377	iliev	2220	Units.add(&suPitchEG);
378	iliev	2221	Units.add(&suPitchLFO);
379			Units.add(&suAmpLFO);
380			Units.add(&suFilLFO);
381	iliev	2218
382	iliev	2219	for (int i = 0; i < EGs.size(); i++) {
383	iliev	2218	Units.add(EGs[i]);
384			}
385
386	iliev	2219	for (int i = 0; i < LFOs.size(); i++) {
387			Units.add(LFOs[i]);
388			}
389
390	iliev	2218	Units.add(&suEndpoint);
391
392			SignalUnitRack::Trigger();
393			}
394
395			EndpointSignalUnit* SfzSignalUnitRack::GetEndpointUnit() {
396			return &suEndpoint;
397			}
398
399			void SfzSignalUnitRack::EnterFadeOutStage() {
400			suVolEG.EG.enterFadeOutStage();
401
402			for (int i = 0; i < volEGs.size(); i++) {
403			volEGs[i]->EG.enterFadeOutStage();
404			}
405			}
406
407			}} // namespace LinuxSampler::sfz